2111202011222 has 4 divisors (see below), whose sum is σ = 3166803016836. Its totient is φ = 1055601005610.

The previous prime is 2111202011203. The next prime is 2111202011273. The reversal of 2111202011222 is 2221102021112.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2111202011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527800502804 + ... + 527800502807.

It is an arithmetic number, because the mean of its divisors is an integer number (791700754209).

Almost surely, 2^{2111202011222} is an apocalyptic number.

2111202011222 is a deficient number, since it is larger than the sum of its proper divisors (1055601005614).

2111202011222 is a wasteful number, since it uses less digits than its factorization.

2111202011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055601005613.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2111202011222 its reverse (2221102021112), we get a palindrome (4332304032334).

The spelling of 2111202011222 in words is "two trillion, one hundred eleven billion, two hundred two million, eleven thousand, two hundred twenty-two".